package net.oschina.app.ui;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import net.oschina.app.AppConfig;
import net.oschina.app.AppContext;
import net.oschina.app.AppException;
import net.oschina.app.R;
import net.oschina.app.adapter.ListViewCommentAdapter;
import net.oschina.app.bean.Comment;
import net.oschina.app.bean.CommentList;
import net.oschina.app.bean.FavoriteList;
import net.oschina.app.bean.News;
import net.oschina.app.bean.News.Relative;
import net.oschina.app.bean.Notice;
import net.oschina.app.bean.Result;
import net.oschina.app.common.StringUtils;
import net.oschina.app.common.UIHelper;
import net.oschina.app.widget.BadgeView;
import net.oschina.app.widget.PullToRefreshListView;
import android.annotation.SuppressLint;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.GestureDetector;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.webkit.WebView;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.ViewSwitcher;

/**
 * 新闻详情
 * 
 * @author liux (http://my.oschina.net/liux)
 * @version 1.0
 * @created 2012-3-21
 */
public class NewsDetail extends BaseActivity {

    private FrameLayout mHeader;
    private LinearLayout mFooter;
    private ImageView mHome;
    private ImageView mFavorite;
    private ImageView mRefresh;
    private TextView mHeadTitle;
    private ProgressBar mProgressbar;
    private ScrollView mScrollView;
    private ViewSwitcher mViewSwitcher;

    private BadgeView bv_comment;
    private ImageView mDetail;
    private ImageView mCommentList;
    private ImageView mShare;

    private TextView mTitle;
    private TextView mAuthor;
    private TextView mPubDate;
    private TextView mCommentCount;

    private WebView mWebView;
    private Handler mHandler;
    private News newsDetail;
    private int newsId;

    private final static int VIEWSWITCH_TYPE_DETAIL = 0x001;
    private final static int VIEWSWITCH_TYPE_COMMENTS = 0x002;

    private final static int DATA_LOAD_ING = 0x001;
    private final static int DATA_LOAD_COMPLETE = 0x002;
    private final static int DATA_LOAD_FAIL = 0x003;

    private PullToRefreshListView mLvComment;
    private ListViewCommentAdapter lvCommentAdapter;
    private List<Comment> lvCommentData = new ArrayList<Comment>();
    private View lvComment_footer;
    private TextView lvComment_foot_more;
    private ProgressBar lvComment_foot_progress;
    private Handler mCommentHandler;
    private int lvSumData;

    private int curId;
    private int curCatalog;
    private int curLvDataState;
    private int curLvPosition;// 当前listview选中的item位置

    private ViewSwitcher mFootViewSwitcher;
    private ImageView mFootEditebox;
    private EditText mFootEditer;
    private Button mFootPubcomment;
    private ProgressDialog mProgress;
    private InputMethodManager imm;
    private String tempCommentKey = AppConfig.TEMP_COMMENT;

    private int _catalog;
    private int _id;
    private int _uid;
    private String _content;
    private int _isPostToMyZone;

    private GestureDetector gd;
    private boolean isFullScreen;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.news_detail);

        this.initView();
        this.initData();

        // 加载评论视图&数据
        this.initCommentView();
        this.initCommentData();

        // 注册双击全屏事件
        this.regOnDoubleEvent();
    }

    // 隐藏输入发表回帖状态
    private void hideEditor(View v) {
        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
        if (mFootViewSwitcher.getDisplayedChild() == 1) {
            mFootViewSwitcher.setDisplayedChild(0);
            mFootEditer.clearFocus();
            mFootEditer.setVisibility(View.GONE);
        }
    }

    // 初始化视图控件
    @SuppressLint("SetJavaScriptEnabled")
    private void initView() {
        newsId = getIntent().getIntExtra("news_id", 0);

        if (newsId > 0)
            tempCommentKey = AppConfig.TEMP_COMMENT + "_"
                    + CommentList.CATALOG_NEWS + "_" + newsId;

        mHeader = (FrameLayout) findViewById(R.id.news_detail_header);
        mFooter = (LinearLayout) findViewById(R.id.news_detail_footer);
        mHome = (ImageView) findViewById(R.id.news_detail_home);
        mRefresh = (ImageView) findViewById(R.id.news_detail_refresh);
        mHeadTitle = (TextView) findViewById(R.id.news_detail_head_title);
        mProgressbar = (ProgressBar) findViewById(R.id.news_detail_head_progress);
        mViewSwitcher = (ViewSwitcher) findViewById(R.id.news_detail_viewswitcher);
        mScrollView = (ScrollView) findViewById(R.id.news_detail_scrollview);

        mDetail = (ImageView) findViewById(R.id.news_detail_footbar_detail);
        mCommentList = (ImageView) findViewById(R.id.news_detail_footbar_commentlist);
        mShare = (ImageView) findViewById(R.id.news_detail_footbar_share);
        mFavorite = (ImageView) findViewById(R.id.news_detail_footbar_favorite);

        mTitle = (TextView) findViewById(R.id.news_detail_title);
        mAuthor = (TextView) findViewById(R.id.news_detail_author);
        mPubDate = (TextView) findViewById(R.id.news_detail_date);
        mCommentCount = (TextView) findViewById(R.id.news_detail_commentcount);

        mDetail.setEnabled(false);

        mWebView = (WebView) findViewById(R.id.news_detail_webview);
        mWebView.getSettings().setSupportZoom(true);
        mWebView.getSettings().setBuiltInZoomControls(true);
        mWebView.getSettings().setDefaultFontSize(15);
        UIHelper.addWebImageShow(this, mWebView);

        mHome.setOnClickListener(homeClickListener);
        mFavorite.setOnClickListener(favoriteClickListener);
        mRefresh.setOnClickListener(refreshClickListener);
        mAuthor.setOnClickListener(authorClickListener);
        mShare.setOnClickListener(shareClickListener);
        mDetail.setOnClickListener(detailClickListener);
        mCommentList.setOnClickListener(commentlistClickListener);

        bv_comment = new BadgeView(this, mCommentList);
        bv_comment.setBackgroundResource(R.drawable.widget_count_bg2);
        bv_comment.setIncludeFontPadding(false);
        bv_comment.setGravity(Gravity.CENTER);
        bv_comment.setTextSize(8f);
        bv_comment.setTextColor(Color.WHITE);

        imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);

        mFootViewSwitcher = (ViewSwitcher) findViewById(R.id.news_detail_foot_viewswitcher);
        mFootPubcomment = (Button) findViewById(R.id.news_detail_foot_pubcomment);
        mFootPubcomment.setOnClickListener(commentpubClickListener);
        mFootEditebox = (ImageView) findViewById(R.id.news_detail_footbar_editebox);
        mFootEditebox.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                mFootViewSwitcher.showNext();
                mFootEditer.setVisibility(View.VISIBLE);
                mFootEditer.requestFocus();
                mFootEditer.requestFocusFromTouch();
            }
        });
        mFootEditer = (EditText) findViewById(R.id.news_detail_foot_editer);
        mFootEditer.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            public void onFocusChange(View v, boolean hasFocus) {
                if (hasFocus) {
                    imm.showSoftInput(v, 0);
                } else {
                    imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
                }
            }
        });
        mFootEditer.setOnKeyListener(new View.OnKeyListener() {
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_BACK) {
                    hideEditor(v);
                    return true;
                }
                return false;
            }
        });
        // 编辑器添加文本监听
        mFootEditer.addTextChangedListener(UIHelper.getTextWatcher(this,
                tempCommentKey));

        // 显示临时编辑内容
        UIHelper.showTempEditContent(this, mFootEditer, tempCommentKey);
    }

    // 初始化控件数据
    private void initData() {
        mHandler = new Handler() {
            public void handleMessage(Message msg) {
                if (msg.what == 1) {
                    headButtonSwitch(DATA_LOAD_COMPLETE);

                    mTitle.setText(newsDetail.getTitle());
                    mAuthor.setText(newsDetail.getAuthor());
                    mPubDate.setText(StringUtils.friendly_time(newsDetail
                            .getPubDate()));
                    mCommentCount.setText(String.valueOf(newsDetail
                            .getCommentCount()));

                    // 是否收藏
                    if (newsDetail.getFavorite() == 1)
                        mFavorite
                                .setImageResource(R.drawable.widget_bar_favorite2);
                    else
                        mFavorite
                                .setImageResource(R.drawable.widget_bar_favorite);

                    // 显示评论数
                    if (newsDetail.getCommentCount() > 0) {
                        bv_comment.setText(newsDetail.getCommentCount() + "");
                        bv_comment.show();
                    } else {
                        bv_comment.setText("");
                        bv_comment.hide();
                    }

                    String body = UIHelper.WEB_STYLE + newsDetail.getBody();
                    // 读取用户设置：是否加载文章图片--默认有wifi下始终加载图片
                    boolean isLoadImage;
                    AppContext ac = (AppContext) getApplication();
                    if (AppContext.NETTYPE_WIFI == ac.getNetworkType()) {
                        isLoadImage = true;
                    } else {
                        isLoadImage = ac.isLoadImage();
                    }
                    if (isLoadImage) {
                        // 过滤掉 img标签的width,height属性
                        body = body.replaceAll(
                                "(<img[^>]*?)\\s+width\\s*=\\s*\\S+", "$1");
                        body = body.replaceAll(
                                "(<img[^>]*?)\\s+height\\s*=\\s*\\S+", "$1");

                        // 添加点击图片放大支持
                        body = body.replaceAll("(<img[^>]+src=\")(\\S+)\"",
                                "$1$2\" onClick=\"javascript:mWebViewImageListener.onImageClick('$2')\"");

                    } else {
                        // 过滤掉 img标签
                        body = body.replaceAll("<\\s*img\\s+([^>]*)\\s*>", "");
                    }

                    // 更多关于***软件的信息
                    String softwareName = newsDetail.getSoftwareName();
                    String softwareLink = newsDetail.getSoftwareLink();
                    if (!StringUtils.isEmpty(softwareName)
                            && !StringUtils.isEmpty(softwareLink))
                        body += String
                                .format("<div id='oschina_software' style='margin-top:8px;color:#FF0000;font-weight:bold'>更多关于:&nbsp;<a href='%s'>%s</a>&nbsp;的详细信息</div>",
                                        softwareLink, softwareName);

                    // 相关新闻
                    if (newsDetail.getRelatives().size() > 0) {
                        String strRelative = "";
                        for (Relative relative : newsDetail.getRelatives()) {
                            strRelative += String
                                    .format("<a href='%s' style='text-decoration:none'>%s</a><p/>",
                                            relative.url, relative.title);
                        }
                        body += String.format(
                                "<p/><hr/><b>相关资讯</b><div><p/>%s</div>",
                                strRelative);
                    }

                    body += "<div style='margin-bottom: 80px'/>";

                    System.out.println(body);

                    mWebView.loadDataWithBaseURL(null, body, "text/html",
                            "utf-8", null);
                    mWebView.setWebViewClient(UIHelper.getWebViewClient());

                    // 发送通知广播
                    if (msg.obj != null) {
                        UIHelper.sendBroadCast(NewsDetail.this,
                                (Notice) msg.obj);
                    }
                } else if (msg.what == 0) {
                    headButtonSwitch(DATA_LOAD_FAIL);

                    UIHelper.ToastMessage(NewsDetail.this,
                            R.string.msg_load_is_null);
                } else if (msg.what == -1 && msg.obj != null) {
                    headButtonSwitch(DATA_LOAD_FAIL);

                    ((AppException) msg.obj).makeToast(NewsDetail.this);
                }
            }
        };

        initData(newsId, false);
    }

    private void initData(final int news_id, final boolean isRefresh) {
        headButtonSwitch(DATA_LOAD_ING);

        new Thread() {
            public void run() {
                Message msg = new Message();
                try {
                    newsDetail = ((AppContext) getApplication()).getNews(
                            news_id, isRefresh);
                    msg.what = (newsDetail != null && newsDetail.getId() > 0) ? 1
                            : 0;
                    msg.obj = (newsDetail != null) ? newsDetail.getNotice()
                            : null;// 通知信息
                } catch (AppException e) {
                    e.printStackTrace();
                    msg.what = -1;
                    msg.obj = e;
                }
                mHandler.sendMessage(msg);
            }
        }.start();
    }

    /**
     * 底部栏切换
     * 
     * @param type
     */
    private void viewSwitch(int type) {
        switch (type) {
            case VIEWSWITCH_TYPE_DETAIL:
                mDetail.setEnabled(false);
                mCommentList.setEnabled(true);
                mHeadTitle.setText(R.string.news_detail_head_title);
                mViewSwitcher.setDisplayedChild(0);
                break;
            case VIEWSWITCH_TYPE_COMMENTS:
                mDetail.setEnabled(true);
                mCommentList.setEnabled(false);
                mHeadTitle.setText(R.string.comment_list_head_title);
                mViewSwitcher.setDisplayedChild(1);
                break;
        }
    }

    /**
     * 头部按钮展示
     * 
     * @param type
     */
    private void headButtonSwitch(int type) {
        switch (type) {
            case DATA_LOAD_ING:
                mScrollView.setVisibility(View.GONE);
                mProgressbar.setVisibility(View.VISIBLE);
                mRefresh.setVisibility(View.GONE);
                break;
            case DATA_LOAD_COMPLETE:
                mScrollView.setVisibility(View.VISIBLE);
                mProgressbar.setVisibility(View.GONE);
                mRefresh.setVisibility(View.VISIBLE);
                break;
            case DATA_LOAD_FAIL:
                mScrollView.setVisibility(View.GONE);
                mProgressbar.setVisibility(View.GONE);
                mRefresh.setVisibility(View.VISIBLE);
                break;
        }
    }

    private View.OnClickListener homeClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            UIHelper.showHome(NewsDetail.this);
        }
    };

    private View.OnClickListener refreshClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            hideEditor(v);
            initData(newsId, true);
            loadLvCommentData(curId, curCatalog, 0, mCommentHandler,
                    UIHelper.LISTVIEW_ACTION_REFRESH);
        }
    };

    private View.OnClickListener authorClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            UIHelper.showUserCenter(v.getContext(), newsDetail.getAuthorId(),
                    newsDetail.getAuthor());
        }
    };

    private View.OnClickListener shareClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            if (newsDetail == null) {
                UIHelper.ToastMessage(v.getContext(),
                        R.string.msg_read_detail_fail);
                return;
            }
            // 分享到
            UIHelper.showShareDialog(NewsDetail.this, newsDetail.getTitle(),
                    newsDetail.getUrl());
        }
    };

    private View.OnClickListener detailClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            if (newsId == 0) {
                return;
            }
            // 切换到详情
            viewSwitch(VIEWSWITCH_TYPE_DETAIL);
        }
    };

    private View.OnClickListener commentlistClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            if (newsId == 0) {
                return;
            }
            // 切换到评论
            viewSwitch(VIEWSWITCH_TYPE_COMMENTS);
        }
    };

    private View.OnClickListener favoriteClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            if (newsId == 0 || newsDetail == null) {
                return;
            }

            final AppContext ac = (AppContext) getApplication();
            if (!ac.isLogin()) {
                UIHelper.showLoginDialog(NewsDetail.this);
                return;
            }
            final int uid = ac.getLoginUid();

            final Handler handler = new Handler() {
                public void handleMessage(Message msg) {
                    if (msg.what == 1) {
                        Result res = (Result) msg.obj;
                        if (res.OK()) {
                            if (newsDetail.getFavorite() == 1) {
                                newsDetail.setFavorite(0);
                                mFavorite
                                        .setImageResource(R.drawable.widget_bar_favorite);
                            } else {
                                newsDetail.setFavorite(1);
                                mFavorite
                                        .setImageResource(R.drawable.widget_bar_favorite2);
                            }
                            // 重新保存缓存
                            ac.saveObject(newsDetail, newsDetail.getCacheKey());
                        }
                        UIHelper.ToastMessage(NewsDetail.this,
                                res.getErrorMessage());
                    } else {
                        ((AppException) msg.obj).makeToast(NewsDetail.this);
                    }
                }
            };
            new Thread() {
                public void run() {
                    Message msg = new Message();
                    Result res = null;
                    try {
                        if (newsDetail.getFavorite() == 1) {
                            res = ac.delFavorite(uid, newsId,
                                    FavoriteList.TYPE_NEWS);
                        } else {
                            res = ac.addFavorite(uid, newsId,
                                    FavoriteList.TYPE_NEWS);
                        }
                        msg.what = 1;
                        msg.obj = res;
                    } catch (AppException e) {
                        e.printStackTrace();
                        msg.what = -1;
                        msg.obj = e;
                    }
                    handler.sendMessage(msg);
                }
            }.start();
        }
    };

    // 初始化视图控件
    private void initCommentView() {
        lvComment_footer = getLayoutInflater().inflate(
                R.layout.listview_footer, null);
        lvComment_foot_more = (TextView) lvComment_footer
                .findViewById(R.id.listview_foot_more);
        lvComment_foot_progress = (ProgressBar) lvComment_footer
                .findViewById(R.id.listview_foot_progress);

        lvCommentAdapter = new ListViewCommentAdapter(this, lvCommentData,
                R.layout.comment_listitem);
        mLvComment = (PullToRefreshListView) findViewById(R.id.comment_list_listview);

        mLvComment.addFooterView(lvComment_footer);// 添加底部视图 必须在setAdapter前
        mLvComment.setAdapter(lvCommentAdapter);
        mLvComment
                .setOnItemClickListener(new AdapterView.OnItemClickListener() {
                    public void onItemClick(AdapterView<?> parent, View view,
                            int position, long id) {
                        // 点击头部、底部栏无效
                        if (position == 0 || view == lvComment_footer)
                            return;

                        Comment com = null;
                        // 判断是否是TextView
                        if (view instanceof TextView) {
                            com = (Comment) view.getTag();
                        } else {
                            ImageView img = (ImageView) view
                                    .findViewById(R.id.comment_listitem_userface);
                            com = (Comment) img.getTag();
                        }
                        if (com == null)
                            return;

                        // 跳转--回复评论界面
                        UIHelper.showCommentReply(NewsDetail.this, curId,
                                curCatalog, com.getId(), com.getAuthorId(),
                                com.getAuthor(), com.getContent());
                    }
                });
        mLvComment.setOnScrollListener(new AbsListView.OnScrollListener() {
            public void onScrollStateChanged(AbsListView view, int scrollState) {
                mLvComment.onScrollStateChanged(view, scrollState);

                // 数据为空--不用继续下面代码了
                if (lvCommentData.size() == 0)
                    return;

                // 判断是否滚动到底部
                boolean scrollEnd = false;
                try {
                    if (view.getPositionForView(lvComment_footer) == view
                            .getLastVisiblePosition())
                        scrollEnd = true;
                } catch (Exception e) {
                    scrollEnd = false;
                }

                if (scrollEnd && curLvDataState == UIHelper.LISTVIEW_DATA_MORE) {
                    mLvComment.setTag(UIHelper.LISTVIEW_DATA_LOADING);
                    lvComment_foot_more.setText(R.string.load_ing);
                    lvComment_foot_progress.setVisibility(View.VISIBLE);
                    // 当前pageIndex
                    int pageIndex = lvSumData / 20;
                    loadLvCommentData(curId, curCatalog, pageIndex,
                            mCommentHandler, UIHelper.LISTVIEW_ACTION_SCROLL);
                }
            }

            public void onScroll(AbsListView view, int firstVisibleItem,
                    int visibleItemCount, int totalItemCount) {
                mLvComment.onScroll(view, firstVisibleItem, visibleItemCount,
                        totalItemCount);
            }
        });
        mLvComment
                .setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
                    public boolean onItemLongClick(AdapterView<?> parent,
                            View view, int position, long id) {
                        // 点击头部、底部栏无效
                        if (position == 0 || view == lvComment_footer)
                            return false;

                        Comment _com = null;
                        // 判断是否是TextView
                        if (view instanceof TextView) {
                            _com = (Comment) view.getTag();
                        } else {
                            ImageView img = (ImageView) view
                                    .findViewById(R.id.comment_listitem_userface);
                            _com = (Comment) img.getTag();
                        }
                        if (_com == null)
                            return false;

                        final Comment com = _com;

                        curLvPosition = lvCommentData.indexOf(com);

                        final AppContext ac = (AppContext) getApplication();
                        // 操作--回复 & 删除
                        int uid = ac.getLoginUid();
                        // 判断该评论是否是当前登录用户发表的：true--有删除操作 false--没有删除操作
                        if (uid == com.getAuthorId()) {
                            final Handler handler = new Handler() {
                                public void handleMessage(Message msg) {
                                    if (msg.what == 1) {
                                        Result res = (Result) msg.obj;
                                        if (res.OK()) {
                                            lvSumData--;
                                            bv_comment.setText(lvSumData + "");
                                            bv_comment.show();
                                            lvCommentData.remove(com);
                                            lvCommentAdapter
                                                    .notifyDataSetChanged();
                                        }
                                        UIHelper.ToastMessage(NewsDetail.this,
                                                res.getErrorMessage());
                                    } else {
                                        ((AppException) msg.obj)
                                                .makeToast(NewsDetail.this);
                                    }
                                }
                            };
                            final Thread thread = new Thread() {
                                public void run() {
                                    Message msg = new Message();
                                    try {
                                        Result res = ac.delComment(curId,
                                                curCatalog, com.getId(),
                                                com.getAuthorId());
                                        msg.what = 1;
                                        msg.obj = res;
                                    } catch (AppException e) {
                                        e.printStackTrace();
                                        msg.what = -1;
                                        msg.obj = e;
                                    }
                                    handler.sendMessage(msg);
                                }
                            };
                            UIHelper.showCommentOptionDialog(NewsDetail.this,
                                    curId, curCatalog, com, thread);
                        } else {
                            UIHelper.showCommentOptionDialog(NewsDetail.this,
                                    curId, curCatalog, com, null);
                        }
                        return true;
                    }
                });
        mLvComment
                .setOnRefreshListener(new PullToRefreshListView.OnRefreshListener() {
                    public void onRefresh() {
                        loadLvCommentData(curId, curCatalog, 0,
                                mCommentHandler,
                                UIHelper.LISTVIEW_ACTION_REFRESH);
                    }
                });
    }

    // 初始化评论数据
    private void initCommentData() {
        curId = newsId;
        curCatalog = CommentList.CATALOG_NEWS;

        mCommentHandler = new Handler() {
            public void handleMessage(Message msg) {
                if (msg.what >= 0) {
                    CommentList list = (CommentList) msg.obj;
                    Notice notice = list.getNotice();
                    // 处理listview数据
                    switch (msg.arg1) {
                        case UIHelper.LISTVIEW_ACTION_INIT:
                        case UIHelper.LISTVIEW_ACTION_REFRESH:
                            lvSumData = msg.what;
                            lvCommentData.clear();// 先清除原有数据
                            lvCommentData.addAll(list.getCommentlist());
                            break;
                        case UIHelper.LISTVIEW_ACTION_SCROLL:
                            lvSumData += msg.what;
                            if (lvCommentData.size() > 0) {
                                for (Comment com1 : list.getCommentlist()) {
                                    boolean b = false;
                                    for (Comment com2 : lvCommentData) {
                                        if (com1.getId() == com2.getId()
                                                && com1.getAuthorId() == com2
                                                        .getAuthorId()) {
                                            b = true;
                                            break;
                                        }
                                    }
                                    if (!b)
                                        lvCommentData.add(com1);
                                }
                            } else {
                                lvCommentData.addAll(list.getCommentlist());
                            }
                            break;
                    }

                    // 评论数更新
                    if (newsDetail != null
                            && lvCommentData.size() > newsDetail
                                    .getCommentCount()) {
                        newsDetail.setCommentCount(lvCommentData.size());
                        bv_comment.setText(lvCommentData.size() + "");
                        bv_comment.show();
                    }

                    if (msg.what < 20) {
                        curLvDataState = UIHelper.LISTVIEW_DATA_FULL;
                        lvCommentAdapter.notifyDataSetChanged();
                        lvComment_foot_more.setText(R.string.load_full);
                    } else if (msg.what == 20) {
                        curLvDataState = UIHelper.LISTVIEW_DATA_MORE;
                        lvCommentAdapter.notifyDataSetChanged();
                        lvComment_foot_more.setText(R.string.load_more);
                    }
                    // 发送通知广播
                    if (notice != null) {
                        UIHelper.sendBroadCast(NewsDetail.this, notice);
                    }
                } else if (msg.what == -1) {
                    // 有异常--显示加载出错 & 弹出错误消息
                    curLvDataState = UIHelper.LISTVIEW_DATA_MORE;
                    lvComment_foot_more.setText(R.string.load_error);
                    ((AppException) msg.obj).makeToast(NewsDetail.this);
                }
                if (lvCommentData.size() == 0) {
                    curLvDataState = UIHelper.LISTVIEW_DATA_EMPTY;
                    lvComment_foot_more.setText(R.string.load_empty);
                }
                lvComment_foot_progress.setVisibility(View.GONE);
                if (msg.arg1 == UIHelper.LISTVIEW_ACTION_REFRESH) {
                    mLvComment
                            .onRefreshComplete(getString(R.string.pull_to_refresh_update)
                                    + new Date().toLocaleString());
                    mLvComment.setSelection(0);
                }
            }
        };
        this.loadLvCommentData(curId, curCatalog, 0, mCommentHandler,
                UIHelper.LISTVIEW_ACTION_INIT);
    }

    /**
     * 线程加载评论数据
     * 
     * @param id
     *            当前文章id
     * @param catalog
     *            分类
     * @param pageIndex
     *            当前页数
     * @param handler
     *            处理器
     * @param action
     *            动作标识
     */
    private void loadLvCommentData(final int id, final int catalog,
            final int pageIndex, final Handler handler, final int action) {
        new Thread() {
            public void run() {
                Message msg = new Message();
                boolean isRefresh = false;
                if (action == UIHelper.LISTVIEW_ACTION_REFRESH
                        || action == UIHelper.LISTVIEW_ACTION_SCROLL)
                    isRefresh = true;
                try {
                    CommentList commentlist = ((AppContext) getApplication())
                            .getCommentList(catalog, id, pageIndex, isRefresh);
                    msg.what = commentlist.getPageSize();
                    msg.obj = commentlist;
                } catch (AppException e) {
                    e.printStackTrace();
                    msg.what = -1;
                    msg.obj = e;
                }
                msg.arg1 = action;// 告知handler当前action
                handler.sendMessage(msg);
            }
        }.start();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode != RESULT_OK)
            return;
        if (data == null)
            return;

        viewSwitch(VIEWSWITCH_TYPE_COMMENTS);// 跳到评论列表

        if (requestCode == UIHelper.REQUEST_CODE_FOR_RESULT) {
            Comment comm = (Comment) data
                    .getSerializableExtra("COMMENT_SERIALIZABLE");
            lvCommentData.add(0, comm);
            lvCommentAdapter.notifyDataSetChanged();
            mLvComment.setSelection(0);
            // 显示评论数
            int count = newsDetail.getCommentCount() + 1;
            newsDetail.setCommentCount(count);
            bv_comment.setText(count + "");
            bv_comment.show();
        } else if (requestCode == UIHelper.REQUEST_CODE_FOR_REPLY) {
            Comment comm = (Comment) data
                    .getSerializableExtra("COMMENT_SERIALIZABLE");
            lvCommentData.set(curLvPosition, comm);
            lvCommentAdapter.notifyDataSetChanged();
        }
    }

    private View.OnClickListener commentpubClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            _id = curId;

            if (curId == 0) {
                return;
            }

            _catalog = curCatalog;

            _content = mFootEditer.getText().toString();
            if (StringUtils.isEmpty(_content)) {
                UIHelper.ToastMessage(v.getContext(), "请输入评论内容");
                return;
            }

            final AppContext ac = (AppContext) getApplication();
            if (!ac.isLogin()) {
                UIHelper.showLoginDialog(NewsDetail.this);
                return;
            }

            // if(mZone.isChecked())
            // _isPostToMyZone = 1;

            _uid = ac.getLoginUid();

            mProgress = ProgressDialog.show(v.getContext(), null, "发表中···",
                    true, true);

            final Handler handler = new Handler() {
                public void handleMessage(Message msg) {

                    if (mProgress != null)
                        mProgress.dismiss();

                    if (msg.what == 1) {
                        Result res = (Result) msg.obj;
                        UIHelper.ToastMessage(NewsDetail.this,
                                res.getErrorMessage());
                        if (res.OK()) {
                            // 发送通知广播
                            if (res.getNotice() != null) {
                                UIHelper.sendBroadCast(NewsDetail.this,
                                        res.getNotice());
                            }
                            // 恢复初始底部栏
                            mFootViewSwitcher.setDisplayedChild(0);
                            mFootEditer.clearFocus();
                            mFootEditer.setText("");
                            mFootEditer.setVisibility(View.GONE);
                            // 跳到评论列表
                            viewSwitch(VIEWSWITCH_TYPE_COMMENTS);
                            // 更新评论列表
                            lvCommentData.add(0, res.getComment());
                            lvCommentAdapter.notifyDataSetChanged();
                            mLvComment.setSelection(0);
                            // 显示评论数
                            int count = newsDetail.getCommentCount() + 1;
                            newsDetail.setCommentCount(count);
                            bv_comment.setText(count + "");
                            bv_comment.show();
                            // 清除之前保存的编辑内容
                            ac.removeProperty(tempCommentKey);
                        }
                    } else {
                        ((AppException) msg.obj).makeToast(NewsDetail.this);
                    }
                }
            };
            new Thread() {
                public void run() {
                    Message msg = new Message();
                    Result res = new Result();
                    try {
                        // 发表评论
                        res = ac.pubComment(_catalog, _id, _uid, _content,
                                _isPostToMyZone);
                        msg.what = 1;
                        msg.obj = res;
                    } catch (AppException e) {
                        e.printStackTrace();
                        msg.what = -1;
                        msg.obj = e;
                    }
                    handler.sendMessage(msg);
                }
            }.start();
        }
    };

    /**
     * 注册双击全屏事件
     */
    private void regOnDoubleEvent() {
        gd = new GestureDetector(this,
                new GestureDetector.SimpleOnGestureListener() {
                    @Override
                    public boolean onDoubleTap(MotionEvent e) {
                        isFullScreen = !isFullScreen;
                        if (!isFullScreen) {
                            WindowManager.LayoutParams params = getWindow()
                                    .getAttributes();
                            params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
                            getWindow().setAttributes(params);
                            getWindow()
                                    .clearFlags(
                                            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
                            mHeader.setVisibility(View.VISIBLE);
                            mFooter.setVisibility(View.VISIBLE);
                        } else {
                            WindowManager.LayoutParams params = getWindow()
                                    .getAttributes();
                            params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
                            getWindow().setAttributes(params);
                            getWindow()
                                    .addFlags(
                                            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
                            mHeader.setVisibility(View.GONE);
                            mFooter.setVisibility(View.GONE);
                        }
                        return true;
                    }
                });
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent event) {
        if (isAllowFullScreen()) {
            gd.onTouchEvent(event);
        }
        return super.dispatchTouchEvent(event);
    }
}
